Table 3

(A) Kaplan-Meier cumulative proportion of avoiding local treatment failure according to distribution of retinoblastoma seeding, (B) Kaplan-Meier cumulative proportion of avoiding local treatment failure according to type of retinoblastoma vitreous seeding

ClassificationKaplan-Meier point estimates (95% CI), %
1 year2 years5 years10 years
(A)
All eyes (n=592)70 (68 to 72)66 (64 to 68)57 (54 to 60)25 (20 to 30)
Focal (n=143)85 (82 to 88)83 (80 to 86)78 (74 to 82)66 (59 to 73)
Diffuse (n=449)65 (63 to 67)60 (57 to 63)49 (44 to 52)14 (9 to 19)
(B)
Dust (n=153)74 (70 to 78)66 (61 to 71)47 (39 to 55)38 (28 to 48)
Sphere (n=37)51 (42 to 60)47 (38 to 56)47 (38 to 56)8 (4 to 12)
Cloud (n=115)69 (64 to 74)67 (62 to 72)50 (42 to 58)Not available
  • (A) Log-rank test for trend: p<0.001.

  • (B) Log-rank test for trend, overall comparison: p=0.06, Wilcoxon (Gehan) Statistic: p=0.033, Tarone-Ware: p=0.04

  • N, Number.